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Bapat G, Mulla J, Labade C, Ghuge O, Tamhane V, Zinjarde S. Assessment of recombinant glutathione-S-transferase (HaGST-8) silica nano-conjugates for effective removal of pesticides. ENVIRONMENTAL RESEARCH 2022; 204:112052. [PMID: 34597663 DOI: 10.1016/j.envres.2021.112052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 09/03/2021] [Accepted: 09/09/2021] [Indexed: 06/13/2023]
Abstract
Diverse glutathione-S-transferases (GSTs) are produced by insect pests including Helicoverpa armigera (HaGSTs) for detoxification of insecticides or xenobiotic compounds that they encounter. In an earlier study, the HaGST-8 gene was isolated from H. armigera larvae exposed to pesticide mixtures and the recombinant protein was expressed in the yeast Pichia pastoris. In this investigation, HaGST-8 was successfully immobilized on glutaraldehyde-activated APTES functionalized silica nanoparticles to obtain SiAPT-HaGST-8 nano-conjugates. Although enzyme activity associated with these conjugates was comparable to that of free HaGST-8, the specific activity of the former was found to be 1.25 times higher than the latter. In comparison with the free enzyme (that demonstrated a pH optimum of 9.0), for the nano-conjugates, the pH range was extended between pH 8.0 to 9.0. The optimum temperature for activity of both forms of the enzyme was found to be 30 °C. Stability of the enzyme was improved from 20 d for free HaGST-8 to 30 d for SiAPT-HaGST-8 nano-conjugates. Some loss in GST activity was detected after every reuse cycle of nano-conjugates and in all, 63% reduction was observed after three cycles. When 3 kinds of pesticides (namely, chlorpyrifos, dichlorvos and cypermethrin) were reacted with SiAPT-HaGST-8, more than 80% reduction in levels were observed. On the basis of the results obtained, the use of such silica nanoparticle-based systems for stable enzyme conjugation followed by effective removal of pesticides from aqueous media is envisaged.
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Affiliation(s)
- Gandhali Bapat
- Institute of Bioinformatics and Biotechnology, Savitribai Phule Pune University, Pune, 411007, Maharashtra, India
| | - Javed Mulla
- Institute of Bioinformatics and Biotechnology, Savitribai Phule Pune University, Pune, 411007, Maharashtra, India
| | - Chaitali Labade
- Institute of Bioinformatics and Biotechnology, Savitribai Phule Pune University, Pune, 411007, Maharashtra, India
| | - Onkar Ghuge
- Institute of Bioinformatics and Biotechnology, Savitribai Phule Pune University, Pune, 411007, Maharashtra, India
| | - Vaijayanti Tamhane
- Institute of Bioinformatics and Biotechnology, Savitribai Phule Pune University, Pune, 411007, Maharashtra, India.
| | - Smita Zinjarde
- Institute of Bioinformatics and Biotechnology, Savitribai Phule Pune University, Pune, 411007, Maharashtra, India.
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Lyagin I, Efremenko E. Enzymes, Reacting with Organophosphorus Compounds as Detoxifiers: Diversity and Functions. Int J Mol Sci 2021; 22:1761. [PMID: 33578824 PMCID: PMC7916636 DOI: 10.3390/ijms22041761] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/04/2021] [Accepted: 02/05/2021] [Indexed: 01/05/2023] Open
Abstract
Organophosphorus compounds (OPCs) are able to interact with various biological targets in living organisms, including enzymes. The binding of OPCs to enzymes does not always lead to negative consequences for the body itself, since there are a lot of natural biocatalysts that can catalyze the chemical transformations of the OPCs via hydrolysis or oxidation/reduction and thereby provide their detoxification. Some of these enzymes, their structural differences and identity, mechanisms, and specificity of catalytic action are discussed in this work, including results of computational modeling. Phylogenetic analysis of these diverse enzymes was specially realized for this review to emphasize a great area for future development(s) and applications.
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Affiliation(s)
| | - Elena Efremenko
- Faculty of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, 119991 Moscow, Russia;
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Dong J, Yang H, Li Y, Liu A, Wei W, Liu S. Fluorescence sensor for organophosphorus pesticide detection based on the alkaline phosphatase-triggered reaction. Anal Chim Acta 2020; 1131:102-108. [PMID: 32928470 DOI: 10.1016/j.aca.2020.07.048] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/17/2020] [Accepted: 07/19/2020] [Indexed: 12/20/2022]
Abstract
The threat of organophosphorus pesticide (OPP) residue to food safety and human health has caused widespread concern. In this paper, a sensitive fluorescence sensor for OPP detection was constructed based on the alkaline phosphatase (ALP) -triggered in situ reaction. In this method, ALP catalyses the dephosphorylation of the substrate l-ascorbic acid 2-phosphate sesquimagnesium salt hydrate (AAP) to generate l-ascorbic acid (AA). AA instantly combines with o-phenylenediamine (OPD) to form 3-(1,2-dihydroxyethyl)furo[3,4-b]quinoxalin-1(3H)-one (DFQ), which contains a quinoxaline core skeleton fluorophore and emits a strong fluorescence intensity at 425 nm. The existence of OPPs inhibits the activity of ALP and the production of AA and DFQ. As a result, the fluorescence intensity obviously decreases. Under optimal conditions, the fluorescence intensity linearly depends on the logarithm of chlorpyrifos concentration over a wide range of 20 pg/mL ∼1000 ng/mL with a detection limit of 15.03 pg/mL (S/N = 3), which is lower than the previously reported values. The sensor with its satisfactory accuracy and precision has been successfully applied to the detection of chlorpyrifos in leeks and celery samples with recoveries of 94.5-106.7% and an inter-assay relative standard deviation (RSD) below 11.51%. OPPs can be semiquantitatively determined by the colour changes in ultraviolet light. The superiority of the sensor is due to its visual simplicity without complex fluorescence labelling procedures and costly instruments.
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Affiliation(s)
- Jingjiao Dong
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Haitang Yang
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Ying Li
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Anran Liu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Wei Wei
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China.
| | - Songqin Liu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China.
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da Silva G, Costa Ramos LF, Dos Santos Seckler H, Mendonça Gomes F, Reis Cortines J, Ramos I, Dinis Anobom C, de Alcantara Machado E, Perpétua de Oliveira DM. Biochemical characterization of digestive membrane-associated alkaline phosphatase from the velvet bean caterpillar Anticarsia gemmatalis. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2019; 102:e21591. [PMID: 31257641 DOI: 10.1002/arch.21591] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In Brazil, the use of transgenic plants expressing the insect-toxic Bacillus thuringiensis endotoxin has been successfully used as pest control management since 2013 in transgenic soybean lineages against pest caterpillars such as Helicoverpa armigera. These toxins, endogenously expressed by the plants or sprayed over the crops, are ingested by the insect and bind to receptors in the midgut of these animals, resulting in disruption of digestion and lower insect survival rates. Here, we identified and characterized a membrane-associated alkaline phosphatase (ALP) in the midgut of Anticarsia gemmatalis, the main soybean defoliator pest in Brazil, and data suggested that it binds to Cry1Ac toxin in vitro. Our data showed a peak of ALP activity in homogenate samples of the midgut dissected from the 4th and 5th instars larvae. The brush border membrane vesicles obtained from the midgut of these larvae were used to purify a 60 kDa ALP, as detected by in-gel activity and in vitro biochemical characterization using pharmacological inhibitors and mass spectrometry. When Cry1Ac toxin was supplied to the diet, it was efficient in decreasing larval weight gain and survival. Indeed, in vitro incubation of Cry1Ac toxin with the purified ALP resulted in a 43% decrease in ALP specific activity and enzyme-linked immunosorbent assay showed that ALP interacts with Cry1Ac toxin in vitro, thus suggesting that ALP could function as a Cry toxin ligand. This is a first report characterizing an ALP in A. gemmatalis.
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Affiliation(s)
- Gabriela da Silva
- Laboratório de Bioquímica Estrutural de Proteínas, Departamento de Bioquímica, Centro de Ciências Matemáticas e da Natureza, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro CEP, Brazil
| | - Luís Felipe Costa Ramos
- Laboratório de Bioquímica Estrutural de Proteínas, Departamento de Bioquímica, Centro de Ciências Matemáticas e da Natureza, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro CEP, Brazil
| | - Henrique Dos Santos Seckler
- Laboratório de Bioquímica Estrutural de Proteínas, Departamento de Bioquímica, Centro de Ciências Matemáticas e da Natureza, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro CEP, Brazil
| | - Fabio Mendonça Gomes
- Laboratório de Bioquímica de Insetos e Parasitos, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro CEP, Brazil
| | - Juliana Reis Cortines
- Departamento de Virologia, Centro de Ciências da Saúde, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro CEP, Brazil
| | - Isabela Ramos
- Laboratório de Bioquímica de Insetos, Centro de Ciências da Saúde, Instituto de Bioquímica Médica, Universidade Federal do Rio de Janeiro, Rio de Janeiro CEP, Brazil
| | - Cristiane Dinis Anobom
- Laboratório de Bioquímica Estrutural de Proteínas, Departamento de Bioquímica, Centro de Ciências Matemáticas e da Natureza, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro CEP, Brazil
| | - Ednildo de Alcantara Machado
- Laboratório de Bioquímica de Insetos e Parasitos, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro CEP, Brazil
| | - Danielle Maria Perpétua de Oliveira
- Laboratório de Bioquímica Estrutural de Proteínas, Departamento de Bioquímica, Centro de Ciências Matemáticas e da Natureza, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro CEP, Brazil
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Labade CP, Jadhav AR, Ahire M, Zinjarde SS, Tamhane VA. Role of induced glutathione-S-transferase from Helicoverpa armigera (Lepidoptera: Noctuidae) HaGST-8 in detoxification of pesticides. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 147:612-621. [PMID: 28923727 DOI: 10.1016/j.ecoenv.2017.09.028] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 09/08/2017] [Accepted: 09/11/2017] [Indexed: 06/07/2023]
Abstract
The present study deals with glutathione-S-transferase (GST) based detoxification of pesticides in Helicoverpa armigera and its potential application in eliminating pesticides from the environment. Dietary exposure of a pesticide mixture (organophosphates - chlorpyrifos and dichlorvos, pyrethroid - cypermethrin; 2-15ppm each) to H. armigera larvae resulted in a dose dependant up-regulation of GST activity and gene expression. A variant GST from H. armigera (HaGST-8) was isolated from larvae fed with 10ppm pesticide mixture and it was recombinantly expressed in yeast (Pichia pastoris HaGST-8). HaGST-8 had a molecular mass of 29kDa and was most active at pH 9 at 30°C. GC-MS and LC-HRMS analysis validated that HaGST-8 was effective in eliminating organophosphate type of pesticides and partially reduced the cypermethrin content (53%) from aqueous solutions. Unlike the untransformed yeast, P. pastoris HaGST-8 grew efficiently in media supplemented with pesticide mixtures (200 and 400ppm each pesticide) signifying the detoxification ability of HaGST-8. The amino acid sequence of HaGST-8 and the already reported sequence of HaGST-7 had just 2 mismatches. The studies on molecular interaction strengths revealed that HaGST-8 had stronger binding affinities with organophosphate, pyrethroid, organochloride, carbamate and neonicotinoid type of pesticides. The abilities of recombinant HaGST-8 to eliminate pesticides and P. pastoris HaGST-8 to grow profusely in the presence of high level of pesticide content can be applied for removal of such residues from food, water resources and bioremediation.
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Affiliation(s)
- Chaitali P Labade
- Institute of Bioinformatics and Biotechnology (IBB), Savitribai Phule Pune University, (SPPU), Ganeshkhind Road, Pune 411007, Maharashtra, India
| | - Abhilash R Jadhav
- Institute of Bioinformatics and Biotechnology (IBB), Savitribai Phule Pune University, (SPPU), Ganeshkhind Road, Pune 411007, Maharashtra, India
| | - Mehul Ahire
- Institute of Bioinformatics and Biotechnology (IBB), Savitribai Phule Pune University, (SPPU), Ganeshkhind Road, Pune 411007, Maharashtra, India
| | - Smita S Zinjarde
- Institute of Bioinformatics and Biotechnology (IBB), Savitribai Phule Pune University, (SPPU), Ganeshkhind Road, Pune 411007, Maharashtra, India.
| | - Vaijayanti A Tamhane
- Institute of Bioinformatics and Biotechnology (IBB), Savitribai Phule Pune University, (SPPU), Ganeshkhind Road, Pune 411007, Maharashtra, India.
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Wu S, Yang Y, Yuan G, Campbell PM, Teese MG, Russell RJ, Oakeshott JG, Wu Y. Overexpressed esterases in a fenvalerate resistant strain of the cotton bollworm, Helicoverpa armigera. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2011; 41:14-21. [PMID: 20875855 DOI: 10.1016/j.ibmb.2010.09.007] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2010] [Revised: 08/31/2010] [Accepted: 09/16/2010] [Indexed: 05/29/2023]
Abstract
Enhanced detoxification is the major mechanism responsible for pyrethroid resistance in Chinese populations of Helicoverpa armigera. Previous work has shown that enhanced oxidation contributes to resistance in the fenvalerate-selected Chinese strain, YGF. The current study provides evidence that enhanced hydrolysis by esterase isozymes also contributes to the resistance in this strain. The average esterase activity of third instar YGF larvae was 1.9-fold compared with that of a susceptible SCD strain. Much of this difference was attributed to isozymes at two zones which hydrolysed the model carboxylester substrate 1-naphthyl acetate and also a 1-naphthyl analogue of fenvalerate. A preparation enriched for enzymes migrating to one of these zones from YGF was shown to hydrolyse fenvalerate with a specific activity of about 2.9 nmol/min/mg. This material was also matched by mass spectrometry with four putative carboxylesterase genes, all of which clustered within a phylogenetic clade of secreted midgut esterases. Quantitative PCR on these four genes showed several-fold greater expression in tissues of YGF compared to SCD but no differences was found in the number of copies of the genes between the strains.
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Affiliation(s)
- Shuwen Wu
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Key Laboratory of Monitoring and Management of Crop Diseases and Pest Insects (Ministry of Agriculture), Nanjing 210095, China
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Modulatory Effects of Natural Curcuminoids on P-Glycoprotein ATPase of Insecticide-Resistant Pest Helicoverpa armigera (Lepidopetera: Noctüidae). J Membr Biol 2010; 236:271-8. [DOI: 10.1007/s00232-010-9299-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2010] [Accepted: 08/16/2010] [Indexed: 11/27/2022]
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Aurade R, Jayalakshmi SK, Sreeramulu K. Stimulatory effect of insecticides on partially purified P-glycoprotein ATPase from the resistant pest Helicoverpa armigera. Biochem Cell Biol 2007; 84:1045-50. [PMID: 17215890 DOI: 10.1139/o06-194] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
A P-glycoprotein-like protein (Ha-Pgp) was detected in a membrane preparation from the insecticide-resistant pest Helicoverpa armigera (Lepidoptera: Noctüidae) using C219 antibodies that are directed towards an epitope in the nucleotide-binding domains. This protein was partially purified and found to be a glycoprotein displaying ATPase activity. SDS-PAGE confirmed that a high molecular mass glycoprotein (150 kDa) was overexpressed in resistant pests, but was not detected in susceptible pests. The partially purified Ha-Pgp ATPase was reconstituted into proteoliposomes and it was found that some insecticides, namely, monocrotophos, endosulfan, cypermethrin, fenvalerate, and methylparathion, stimulated the ATPase activity. The effect of various inhibitors on partially purified Ha-Pgp showed that orthovanadate is a potent inhibitor of its ATPase activity, inhibiting it by 90% at a concentration of 2 mmol/L. Other inhibitors, such as EDTA, sodium azide, and molybdate resulted in only a 20% decrease in activity. Details of the structure and function of Ha-Pgp will be important in the development of strategies to overcome insecticide resistance in this pest.
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Affiliation(s)
- Ravindra Aurade
- Department of Biochemistry, Gulbarga University, Gulbarga 585 106, India
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